GC Warning: Failed to expand heap by 4194304 KiB
GC Warning: Failed to expand heap by 4194304 KiB
error:
       … while evaluating attribute 'drv'
         at /nix/store/01va76hp6j011dz90bk8jrm120kaq9yq-filnix-experiment-0.7.0/lib/experiment/planner.nix:14:3:
           13| {
           14|   drv = p.drvPath;
             |   ^
           15|   name = p.name;

       … while evaluating the attribute 'drvPath'
         at /nix/store/05ph0vs18fkgbj3200hdh13d9kbng4hi-source/lib/customisation.nix:418:7:
          417|     // {
          418|       drvPath =
             |       ^
          419|         assert condition;

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: cannot coerce null to a string: null